Weather on December 18
Honolulu, HI
55 Years of Data
Avg High
79°F
Avg Low
65°F
Warmest
1987
78°F avg
Coldest
2018
64°F avg
About This Date
December 18th in Honolulu, HI typically brings pleasant winter weather, with average highs around 79°F and lows near 65°F. Over 49 years of records, the warmest December 18th was in 1987 (78°F average), while the coldest was 2018 (64°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 18th dates historically, with the wettest December 18th recording 2.92" of rain. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Honolulu, HI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 71° | 75° | — | — |
| 2024 | 79° | 67° | 73° | — | — |
| 2023 | 74° | 60° | 67° | — | — |
| 2022 | 67° | 61° | 64° | — | — |
| 2021 | 76° | 65° | 70° | — | — |
| 2020 | 80° | 66° | 73° | — | — |
| 2019 | 78° | 67° | 72° | — | — |
| 2018coldest | 68° | 59° | 64° | — | — |
| 2017 | 73° | 61° | 67° | — | — |
| 2016 | 74° | 63° | 68° | — | — |
| 2013 | 79° | 65° | 72° | — | — |
| 2012 | 79° | 67° | 73° | 0.1" | — |
| 2011 | 84° | 64° | 74° | — | — |
| 2010 | 80° | 70° | 75° | 1.78" | — |
| 2009 | 82° | 68° | 75° | — | — |
| 2008 | 82° | 72° | 77° | 0.1" | — |
| 2007 | 82° | 64° | 73° | — | — |
| 2005 | 82° | 74° | 78° | — | — |
| 2004 | 82° | 69° | 76° | — | — |
| 2003 | 78° | 66° | 72° | — | — |
| 2002 | 82° | 66° | 74° | 0.05" | — |
| 2001 | 81° | 64° | 72° | — | — |
| 1998 | 81° | 66° | 73° | — | — |
| 1997 | 85° | 63° | 74° | — | — |
| 1996 | 81° | 60° | 70° | — | — |
| 1995 | 81° | 66° | 73° | — | — |
| 1994 | 84° | 65° | 74° | — | — |
| 1993 | 81° | 66° | 73° | 0.25" | — |
| 1992 | 83° | 69° | 76° | 0.1" | — |
| 1991 | 82° | 69° | 76° | 1.7" | — |
| 1990 | 77° | 68° | 73° | — | — |
| 1989 | 78° | 59° | 69° | — | — |
| 1988 | 79° | 59° | 69° | 0.38" | — |
| 1987warmest | 87° | 68° | 78° | 2.92" | — |
| 1986 | 83° | 66° | 74° | — | — |
| 1985 | 81° | 64° | 72° | 0.46" | — |
| 1984 | 86° | 67° | 76° | — | — |
| 1983 | 78° | 62° | 70° | 0.33" | — |
| 1982 | 78° | 67° | 72° | — | — |
| 1981 | 87° | 65° | 76° | — | — |
| 1980 | 76° | 59° | 67° | — | — |
| 1978 | 78° | 68° | 73° | — | — |
| 1977 | 79° | 69° | 74° | 0.05" | — |
| 1976 | 72° | 65° | 68° | 0.1" | — |
| 1975 | 82° | 70° | 76° | — | — |
| 1974 | 84° | 64° | 74° | — | — |
| 1973 | 79° | 65° | 72° | — | — |
| 1972 | 76° | 68° | 72° | 0.38" | — |
| 1971 | 72° | 62° | 67° | 0.1" | — |
49 years of data from FRENCH FRIGATE SHOALS